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- As a method of copper graphite composite production,a technique of copper coating on grahite particle is put forward which has some advantages of easiness and feasibility. 铜镀覆石墨工艺是一种新的铜-石墨复合方法，具有简便、易实现等特点。
- RESEARCH ON DOT GRAPHITE ALLOY CAST IRON MATERIALS FOR MOULDS 点状石墨合金铸铁模具材质研究
- Brass is an alloy of copper and zinc. 黄铜是铜和锌的合金。
- Graphite is a soft black substance. 石墨是一种软而黑的物质。
- Graphite is used in making lead pencils. 石墨常被用来做成铅笔。
- type-D graphite alloyed cast iron D型石墨合金铸铁
- An alloy of zinc and copper used as imitation gold. 铜锌合金作为仿金品使用的铜锌合金
- The chemical symbol for copper is "Cu". 铜的化学符号是Cu。
- What color is copper sulphate solution? 硫酸铜溶液是什么颜色？
- An alloy of copper, zinc, and tin, used in imitation gold jewelry. 金色铜一种由铜、锌和锡制成的合金，用于仿制黄金首饰
- Copper and gold are both metals. 铜和金都是金属。
- Copper has less resistance than lead. 铜的电阻比铅的小。
- It's an alloy not readily drillable. 这是不易钻洞的合金。
- What color is copper sulfate solution? 硫酸铜溶液是什么颜色？
- A copper coin formerly used in India and Pakistan. 安那旧时在印度和巴基斯坦使用的铜币
- An alloy of copper with10 percent tin. 炮铜一种掺有10%25的锡的铜合金
- Ornamental copper pans hung on the wall. 墙上挂着装饰性的铜盘。
- This mountain road leads to the copper mine. 这条山路通向那个铜矿。
- We fuse copper and tin to make bronze. 我们把铜和锡熔制成青铜。
- They will mine copper there in the valley. 他们将在那边的山谷开采铜矿。
